闭角型青光眼在行滤过手术之前,将眼压控制在正常范围是手术成功的保障,其可将术中、术后的并发症降至最低;但在临床上,经常有术前眼压不能降至正常水平或眼压持续不降的情况,为了挽救患者视力,避免延误治疗,必须采用非常规治疗方法。近年来,我院对经采用各种降眼压措施而眼压 Angle-closure glaucoma before line filtration surgery, the intraocular pressure control in the normal range is the guarantee of successful operation, which can minimize intraoperative and postoperative complications; but in clinical practice, often with preoperative intraocular pressure Can not be reduced to normal levels or intraocular pressure continued to decline, in order to save the patient’s vision, to avoid delays in treatment, you must use unconventional treatment. In recent years, our hospital on the adoption of a variety of intraocular pressure measures and intraocular pressure